Triple
T23461144
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sotobō Line (urban section) |
E568975
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | Lines of East Japan Railway Company |
—
|
NE NERFINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Lines of East Japan Railway Company | Statement: [Sotobō Line (urban section), category, Lines of East Japan Railway Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lines of East Japan Railway Company Context triple: [Sotobō Line (urban section), category, Lines of East Japan Railway Company]
-
A.
Stations of East Japan Railway Company
Stations of East Japan Railway Company are railway stations operated by JR East, one of Japan’s major rail operators serving the eastern regions of the country including the Tokyo metropolitan area.
-
B.
Keisei Electric Railway lines
Keisei Electric Railway lines are a group of private railway routes in the Greater Tokyo area best known for linking central Tokyo with Narita International Airport and serving commuter and interurban travel in Chiba Prefecture.
-
C.
Shinkansen lines
Shinkansen lines are Japan’s high-speed railway routes known for their fast, punctual bullet trains connecting major cities across the country.
-
D.
Stations of West Japan Railway Company
Stations of West Japan Railway Company are railway stations operated by JR West, serving various urban and regional lines primarily in western Honshu, Japan.
-
E.
JR East rail lines
chosen
JR East rail lines are a network of passenger railway services operated by the East Japan Railway Company that connect major cities and regions across eastern Honshu, including Chiba.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e2458ebd808190b3298163132cfb0b |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1a69bc200819096ed2baf25cdee4f |
completed | April 29, 2026, 6:35 a.m. |
Created at: April 17, 2026, 5:53 p.m.